<?php
class SimpleImage {
 
   var $image;
   var $image_type;
 
   function load($filename) {
 
      $image_info = getimagesize($filename);
      $this->image_type = $image_info[2];
      if( $this->image_type == IMAGETYPE_JPEG ) {
 
         $this->image = imagecreatefromjpeg($filename);
      } elseif( $this->image_type == IMAGETYPE_GIF ) {
 
         $this->image = imagecreatefromgif($filename);
      } elseif( $this->image_type == IMAGETYPE_PNG ) {
 
         $this->image = imagecreatefrompng($filename);
      }
   }
   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
 
      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image,$filename,$compression);
      } elseif( $image_type == IMAGETYPE_GIF ) {
 
         imagegif($this->image,$filename);
      } elseif( $image_type == IMAGETYPE_PNG ) {
 
         imagepng($this->image,$filename);
      }
      if( $permissions != null) {
 
         chmod($filename,$permissions);
      }
   }
   function output($image_type=IMAGETYPE_JPEG) {
 
      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image);
      } elseif( $image_type == IMAGETYPE_GIF ) {
 
         imagegif($this->image);
      } elseif( $image_type == IMAGETYPE_PNG ) {
 
         imagepng($this->image);
      }
   }
   function getWidth() {
 
      return imagesx($this->image);
   }
   function getHeight() {
 
      return imagesy($this->image);
   }
   function resizeToHeight($height) {
 
      $ratio = $height / $this->getHeight();
      $width = $this->getWidth() * $ratio;
      $this->resize($width,$height);
   }
 
   function resizeToWidth($width) {
      $ratio = $width / $this->getWidth();
      $height = $this->getheight() * $ratio;
      $this->resize($width,$height);
   }
 
   function scale($scale) {
      $width = $this->getWidth() * $scale/100;
      $height = $this->getheight() * $scale/100;
      $this->resize($width,$height);
   }
 
   function resize($width,$height) {
      $new_image = imagecreatetruecolor($width, $height);
      imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
      $this->image = $new_image;
   }      
 
}

if (!session_id()) {
    session_start();
}
$user_id = $_SESSION['user_id'];

// get image detail 
    $upload = wp_upload_dir();
    if (isset($_POST['imgBase64'])) {
        $just_name = $user_id . "_" . time();
        $img_name =  $just_name . ".png";
        $img = str_replace('data:image/png;base64,', '', $_POST['imgBase64']);
        $img = str_replace(' ', '+', $img);
        $data = base64_decode($img);
        $file = $upload['path'] . "/" . $img_name;
        $success = file_put_contents($file, $data);

        // resize
        $image = new SimpleImage();
        $image->load($file);
        $image->resizeToWidth(600);
        $image->save($upload['path'] . "/". $just_name . "-600.png");

        $image = new SimpleImage();
        $image->load($file);
        $image->scale(100);
        $image->save($upload['path'] . "/". $just_name . "-min.png");
    }
	
//save to database 
    global $wpdb;
    $tb = 'ap_painting_img';
    $imgurl = $upload['url'] . "/" . $img_name;
    $data = array('user_id' => $user_id, 'url' => $imgurl, 'dateadd' => time(), 'layoutimg' => $_POST['layoutimg']);
    $wpdb->insert($tb, $data);
	$data = array('imgurl' => $imgurl, 'imgid' => $wpdb->insert_id );
	echo json_encode($data); 
    die;

